A compression device and a steel strand prestress tension system

Abstract

The invention discloses a pressing device and a steel strand prestress tension system. The pressing device comprises a limiting sleeve, a jaw clutch, a pressing sleeve and a handle; the limiting sleeve comprises a limiting part and a fixing part, the limiting part extends to form the fixing part, and at least two fixing holes are formed in the fixing part; the jaw clutch is arranged on the limiting part in a sleeving mode and comprises a front tooth embedding sleeve abuts against one end face of the fixing part and a rear tooth embedding sleeve matched with the front tooth embedding sleeve; the pressing sleeve is connected to the end, away from the front tooth embedding sleeve, of the rear tooth embedding sleeve; the handle is connected to the front tooth embedding sleeve. The steel strand prestress tension system comprises a cross-core jack, an anchoring device and the pressing device. Through rotation of the front tooth embedding sleeve in the jaw clutch, when a crest of the front tooth embedding sleeve and a crest of the rear tooth embedding sleeve are opposite, a tool anchorage is pressed in the cross-core jack through the pressing sleeve, and when the crest of the front tooth embedding sleeve and a tooth root of the rear tooth embedding sleeve are opposite, the tool anchorage is loose and can freely rotate for hole alignment, operation is convenient, and tension efficiency can be improved.

Description

technical field [0001] The invention relates to steel strand anchoring technology, in particular to a compacting device and a steel strand prestress tensioning system. Background technique [0002] In the prestressed construction of bridges, it is necessary to prestress and stretch the steel strands. The existing prestressed tensioning methods are: by setting tool anchors and working anchors inside and outside of the through-hole jack, tool anchors and working anchors The tool clip and the working clip are respectively set in the interior, and the tool clip and the working clip are both clamped on the steel strand, and then the tool clip and the working clip are driven away by the through-hole jack to realize the pulling of the steel strand stretch. Because the tool anchor must be installed inside the through-hole jack, that is, the tool clip must be manually threaded onto the steel strand before each stretching, and tightened with a special tool, otherwise the tensioning q...

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to overcome the above-mentioned technical deficiencies, and propose a compression device and a steel strand prestressed tensioning system to solve the problem of low tensioning efficiency caused by the inability of the tool anchor to rotate in the prior art and the internal fixation of the tool anchor in the through-hole jack. Technical problems of difficult operation and low tension quality

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